日本
just now
Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. Ring Protect subscription required, sold separately.*
amazon
amazon
▪ Get instant mobile alerts when doors and windows open in your home with a Ring Protect subscription (sold separately).
▪ Now smaller to enable increased placement options.
▪ Easy installation with no tools required.
▪ Mounts to door and window frames.
▪ Includes two 3V CR2032 batteries.
▪ Requires the Ring Alarm Base Station.
| Manufacturer | Ring |
|---|---|
| Brand | RING |
| Item model number | 4SD2SZ-0EN0 |
| Color | White |
| Weight | 0.45 pounds |
| Height | 1.56 inches |
| Depth | 0.55 inches |
| Product Id | 212475 |
|---|---|
| User Reviews and Ratings | 4.8 (1095 ratings) 4.8 out of 5 stars |
| UPC | 842861111088 |
| # | Title | Reviews | User Ratings | Price |
|---|---|---|---|---|
| 1 |
Ring Alarm Contact Sensor 2-pack (2nd Gen)
Price:
$39.59
on
|
$39.59
on
|
||
| 2 |
Ring Alarm Contact Sensor 2-pack (2nd Gen)
Price:
$39.99
on
|
$39.99
on
|
